In which county is ZIP code 19801 located?

ZIP 19801 is listed under New Castle, DE.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 19801: Wilmington, DE

ZIP: 19801

County: New Castle

Coordinates: 39.73780, -75.54970

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 19801 in Wilmington, DE. We include verified county details for New Castle plus key geographic references used for mapping and logistics.

Primary City	Wilmington
ZIP Code	19801
County	New Castle
State	DE
Latitude / Longitude	39.73780, -75.54970
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 19801 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 19801 is commonly represented around 39.73780, -75.54970. These coordinates help identify the general area within New Castle, DE.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 19801 for mail delivery and general location reference in New Castle, DE.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Wilmington.

Related ZIP Codes (Nearby)

Explore other postal codes near Wilmington within DE.

Frequently Asked Questions

What is the primary city for ZIP code 19801?

The primary city for this ZIP code is Wilmington, located in DE.

In which county is 19801 located?

ZIP code 19801 is situated within New Castle, DE.

What are the coordinates for 19801?

The approximate center point is 39.73780 (Latitude) and -75.54970 (Longitude).

Is ZIP code 19801 active?

This page lists ZIP 19801 as Listed based on the latest refresh date shown above.

Does ZIP 19801 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08